A .ppsx file is a PowerPoint Show — the same presentation as a .pptx, saved so that it opens straight into the slideshow instead of the editor. Nothing is missing from it, and it is not locked or protected. It is the same content in a different wrapper, which is why converting it back is straightforward.
.ppsx vs .pptx: What Actually Differs
| .ppsx | .pptx | |
|---|---|---|
| What happens on open | Launches the slideshow full screen | Opens in the editor |
| Slides, notes, media | All still there | All still there |
| Editable | Yes — open it from inside PowerPoint | Yes, directly |
| Renaming the extension | Not reliable — use PowerPoint’s own Save As, covered below | |
That is the whole difference. If someone sent you a .ppsx and you need to edit it, you do not need a converter at all — you need to open it from within PowerPoint, which takes about ten seconds.
The problem usually shows up the same way: a presentation is saved as .ppsx, handed in, and then it needs to be something else — a .pptx to keep editing, or an .mp4 to submit.
Opening the .ppsx does not help, because that is the point of the format. It launches straight into the slideshow with no editing view.
Re-recording every slide from scratch is rarely realistic, so the practical route is to convert the file.
Most free online converters will do it, but watch the file size limit — that is where presentations with embedded video tend to fail.
Online converters will usually accept the file, but two things go wrong often enough to plan for. Large presentations hit the size limit, and videos embedded in individual slides frequently stop playing after conversion.
Simply renaming the file extension does not work either — .ppsx and .pptx are not the same container, and PowerPoint will not treat a renamed file as editable.
The reliable route is to open the file in PowerPoint itself and re-save it, which is what the rest of this guide covers.
Why Save In ppsx Format
Most people save files in ppsx formats to make it easier for recipients to view their presentations and also to avoid content editing.
This means that the files open directly as a slideshow instead of a PowerPoint file and the file cannot be edited but simply use all the slideshow functionalities of your application of choice.
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How To Edit ppsx File In PowerPoint
To open a ppsx file as an editable file in Microsoft PowerPoint, simply follow these steps.
- Open PowerPoint on your computer
- Select Blank Presentation
- Click File
- Then click Open
- Click Browse
- Navigate and select your ppsx file
- Click Open
- Click Enable Editing if it shows, else ignore this step
- Alternatively, you can also drag and drop your ppsx file into a blank presentation (Note: May take some time to finish loading if the file is large)
Your ppsx file is now editable. To be on the safe side, save the file as pptx file by following this procedure
How To Save A ppsx File As A pptx file
To save your ppsx file as a pptx file, simply complete the above procedure and then
- Click File
- Select Save As
- Click Browse
- Navigate the relevant directory
- Click the drop-down next to Save as type
- Select PowerPoint Presentation (*.pptx)
- Type file name
- Click Save
Now your file is saved as pptx or PowerPoint Presentation file. This will enable you to save your file in many different file formats at any time.
If you need the file as an mp4 for submission, PowerPoint can export one directly — a feature many long-time PowerPoint users never come across.
To accomplish this, simply follow the steps below
How To Save pptx File As An mp4
PowerPoint exports video natively, so no converter is needed here either. Microsoft documents the full options in Turn your presentation into a video; the short version is below.
- Click File
- Select Save As
- Click Browse
- Navigate the relevant directory
- Click the drop-down next to Save as type
- Select MPEG-4 Video (*.mp4)
- Type your file name
- And click Save
Now your file including narrations on individual pages will be converted into an mp4 video.
Alternative approach
You can also use the export feature in PowerPoint if you’d like better control over the quality of your video
- Go to File
- Click Export
- Select Create a Video
- Choose your preferred video quality from the drop-down
- Choose whether to include or exclude any narrations and then
- Click Create Video
- Select an mp4 or wmv file type
- Click Save
How To Save ppsx File As An mp4
If you have a ppsx file and would like to convert it into an mp4 file, simply follow the procedure below.
- Open PowerPoint on your computer
- Select Blank Presentation
- Click File
- Then click Open
- Click Browse
- Navigate and select your ppsx file
- Click Open
- Click Enable Editing if it shows, else ignore this step
- Alternatively, you can also drag and drop your ppsx file into a blank presentation (Note: Do not drop the file inside the body of the blank presentation but anywhere within the tool areas of Microsoft PowerPoint)
- Now click File again
- Select Save As
- Click Browse
- Navigate the relevant directory
- Click the drop-down next to Save as type
- Select MPEG-4 Video (*.mp4)
- Type your file name
- And click Save
Alternative approach to Step 10 to 17
You can also use the export feature in PowerPoint if you’d like better control over the quality of your video
- Go to File
- Click Export
- Select Create a Video
- Choose your preferred video quality from the drop-down
- Choose whether to include or exclude any narrations and then
- Click Create Video
- Select an mp4 or wmv file type
- Click Save
Conclusion
I hope the process helps you to easily edit your ppsx file. Please leave a comment if you experience any challenges and we’ll reply with a solution.
Josh Hutcheson — Editor, PriorityLearn
Josh researches, writes, and updates the answers on PriorityLearn, checking each one against current tools, official sources, and real school policies — and flagging what varies by state or district. About PriorityLearn →
